1Keyless padlock, convenient fingerprint unlocking, helping you get rid of the fear of losing or forgetting your keys. 2. Compact design, smart and easy to carry. It can input up to 10 sets of fingerprints. 33 indicator lights of different colors can clearly show the different status of the device. 4IP65 waterproof and dustproof, widely used in dormitory doors, gymnasiums, warehouse doors, etc. 5. Supports USB charging (please fully charge before using for the first time) and has a long standby time of up to 2 years. Item Type: Fingerprint Padlock Material: Zinc Alloy Color: Black Fingerprint Sensor Shape: Square Fingerprint Sensor Size: Approx. 10.4 x 10.4 mm/0.4 x 0.4 inches Storage capacity: 10 groups Fingerprint unlocking method: Fingerprint unlock Fingerprint recording: Short press to unlock, long press for 3 seconds to set fingerprint, long press for 6 seconds to delete fingerprint Battery: Lithium battery 300mAh 3.7V (built-in) Charging current: 5V / 1A Standby time: 2 years Padlock size: approx. 75 x 48 x 16.4mm/3.0 x 1.9 x 0.65in Working temperature: -20 - +70 1 x Fingerprint padlock 1 x USB data cable 1 x Manual Please note new and old models This product model will be sent randomly, please make sure you don't mind after Place another order.